diff --git a/tox.ini b/tox.ini
index 8b6e8342cec1..754a626d4dc5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,7 @@ whitelist_externals =
   find
   rm
   env
-install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
+install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/stein} {opts} {packages}
 setenv =
   VIRTUAL_ENV={envdir}
   LANGUAGE=en_US